Professor Lin Lan has unique theoretical insights on Chaihu Zhishi Gancao decoction. It can relieve bistagnation Shaoyang meridian, Qi stagnation，the acute spasm in the internal organs, and the gallbladder Qi does not drop.This decoction has the effect of harmonizing Shaoyang, regulating Qi stagnation, relieving spasm and relieving pain，which is a famous prescription for treating Qi stagnation. It can be used in thyroid diseases, liver and gallbladder diseases, breast diseases, gynecological diseases and various difficult and complicated cases.